Answer: Air and water <em><u>are</u></em> necessary for life.
Explanation:
Air and water are a plural subject because a subject made up of nouns joined by 'and' makes a compound subject, unless that subject's intended sense is singular, therefore the verb must be conjugated in the plural: "They are".
<h2><em>Eiztari</em></h2>
<span>The overall tone of the poem is melancholy. Tennyson
conveyed this tone by using descriptive words which depict the downcast background
and lonely situation of the characters. He
was able to dramatize every aspect of the poem by using symbols to express its mood. Despite the Lady of Shalott's acceptance of being a prisoner in her own kingdom, she managed to be patient because of her desire to finish her woven piece to show her devotion to her loved one.</span>
Changing the wallpaper can help enhance the appearance of your computer's desktop, please change the subject to what your asking which is technology.
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